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Finding the Fourth Proportional to 147,885.20, 222,000.60 and 146,848.40

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Solution

The fourth proportional to 147,885.20, 222,000.60 and 146,848.40 is: 220,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,885.20 : 222,000.60 = 146,848.40 : x
  2. Step 2: Convert to fraction form
    147,885.20/222,000.60 = 146,848.40/x
  3. Step 3: Cross multiply
    147,885.20x = 222,000.60 × 146,848.40
  4. Step 4: Simplify right side
    147,885.20x = 32,600,432,909.04
  5. Step 5: Solve for x
    x = 32,600,432,909.04/147,885.20
  6. Step 6: Final answer
    x = 220,444.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.